Honing mechanism



Aug. 10, 1943. A. WEILAND HONING MECHANISM Filed May 26, 1942 2 Sheets-Sheet 1 Q I N V EN TOR: (free?! nllhndi, an @ww Y ATToRNEYi V msvehle *hemn Ste-nee time 01 Ollie -'l he present inventien relates teygun barrels,

and mere particularly-- to the finishing of the rifling grooves end'tlie bares of the gunbai i'els 0'11- a ny ether inteZ'nal-l'v In the honing; ef gun practised, attempts have beennaade to expend dished cylinder.

'th'*' abrasive stones d ning the honing process thont ptae'tieel success. lt has'beenfound bu that :lifiiculties in manufacturing expanding cieviees ere-elude the requn'ecleccnracy to get even pressure en all of the s "lee, w eh cnupiecl with th pl fiieulty 0f mainta ning even pressure due 11 uneven Wee-r ef t stones, has np'to the pies nt failed to satisfactorily solvethe pxeblem 01 he lent and accurate honing-' 1 Semeel the objects theere-toprevide an impreved 11 sent invention the riflln'g gisoe-ves ef'e, gee barrel; tau-provide ferieecurete henxng cylindrieal b0iee of gun barrels; to previcfe thehoning stonee aw honirilgi mechanism fer' gunabarrelsyteplievld mechanism n essoeiett eby n;

expending means- 'wlmeixtained against previde means icr me i sure upon 'plurality 'o it less of uneven Wear of ii-l provide ethe1"impieve. appear. V V

In the 'accoinpenyi -g dre sents longitudinal section e fie homing head embodying one form-e1- the pre ent inventie-n; Fig; Z-represen'ts a. "side elevationef epln" ity of hening heads of the present :inventien on a. smaller scale as assembledlfer use infa tandem" g stones regard-- ntsesr arrengemenwfig; 3 i'epresentsia Section an line barrels "as heretefbr'e g mechanism in! gunharrels; to nrevide ahon-lng meelianism' wherein prevlsion i's'mede feli a'ceurate honing'j stones in use; and ta ill hereinafter Fig.7 1 repi'e a cf Fig. 2; Fig. 4 represents a fragmentary trwnsverseseeticn showing a heningli Nipper-1" g oliea ..-sm1:es PATENT.

V v V I ,5 l #3263711 fl l u l y g elene mnclmmsm f 1 v1,iiee-e,[suh.charletohf y v e V i 0 General. Machinery Orolnmce Como- South Chei'l esten, W. Van, a eqrpgre I slots I3-fo1 medf nja- 'tubnlerfhecly' Hi, I sZlets l3 being substantially,parallel-t0 eaehxother the" rubber cylinder l5 by'meens "e'f e mum nns'edmechanism for egipendingi itpasses for jc'c-nneetien of i 6.6 and -adjusting= screw I! indicate 2 Weill hf the body :14; sothut th'e required twardf expansip'n ofth'elienes'centake place to perferrn" h expended to e en's'e a, unifofm eutvv c -f the honee encfef the cylinder ljfi ie-ei plane, preferably an;

" pension; 9f the eyiinler' l li'gunder ife-pre the said but engule'rly dispes' 'd with re'snect-to the axis- O'fthe bo'clys4 }Foi'-centrolling the" :ma1a1.-nmv@men f the honee- Ill,- a cylinderi 5. 9f 'resilientniate i'el, euch sas'r'ubbei fills" the interior of the-body l v I I abuts the inner'fac s respectfely ofthejh n'es f It should ed that the lwibithb henes i8, radielly'eonsideretl is gixeaitei"thanthe the required htfining ef-the gun'grqbves" v z t In crder to cause the rubber-'eylin cler lite be 7 lfi under ey'uni-ifol m pi' es suie', e'ineta l cone leis pressed into'conta'ct with one end'ef feed lsczrew H. which islthreededthrongnamend plate :18: Bolts 24? securely over ache end ntt. 2!. is fastened by belt' :22 t' the 'oppo'sthe bGdYl-ZBQ Ther'plate 2! is provided \vithefi epening coaxially'locatecl'W-ith'iespect: tq th' cylinder l 5, end vvhi ch servesto permitjanzan meme-memo ente thebody fiil' an "ta kefg r Qcsition between 'theq'ubher 'inde 'cl the "F plate 21'', sueh-tagnvilZ' l' havingja wv-dth greater. than the diameter of :the fopenin'g23. Ass-shown; thevfece 25, of the anvil-2 1; whichis'tevrar'ds the 1 circular. one, having. ajdiameter'igreater than that effthe opening zfagf and snfiieiently large to I expo'svelan appreciable. area to 're'sist endwise ex-l of the eenevlfi. The reer-fec'efi issegment 0i aspherewhichseets against, he

inner margin: of theplete' fiivvhieli frame's the I epeningjfi}. V etennhzfl attached-rte anCL mounts, the anvil 23, suchstemeZlbein diameter thanrthe penin I 7 1f adjusting to com peneate for-axialzdistortionii-any. z In Fig. 1 the dotted lines adjacent thefcC-ne stone movably mounted in said slot and arranged to be projected beyond the periphery of said head, and means including a solid deformable resilient body confined against deformation except in the direction or" said stones for causing said stone to be uniformly pressed outwardly to honing posi-.

means to connect said heads in tandem relation With each set of stones alined with a difierent set of grooves, whereby all of said grooves are,

simultaneously honed by said heads.

10. A mechanism for honing the bore of a'cylinder consisting of a; headfabrasive stones pro} jecting beyond the interior and exterior peripheries respectively of said head and movabie with respect thereto, and means including a solid deformable resilient member confined by said head and stonesfor simultaneously expanding said stones to uniformly project said stories into honing relation with a cylinder. j g g ALFRED 'WEILAND.

said cylinder, xneans including a solid resilient der 7 formable body confined by each head and stonej for projecting said stones to honing position, and 

